Journal
JOURNAL OF PHYSICAL CHEMISTRY C
Volume 126, Issue 2, Pages 1196-1203Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acs.jpcc.1c09163
Keywords
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Funding
- JSPS KAKENHI [2408, JP15H00942, JP15H01086, JP26107011]
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The ground-state electronic structure and excited-state dynamics of a fluorene-endcapped butatriene were investigated, and the unique photoluminescence properties of tetraphenyl-endcapped butatrienes were elucidated.
The ground-state electronic structure and excited-state dynamics of a fluorene-endcapped butatriene were elucidated. Tetraphenyl-endcapped butatrienes had been known to exhibit unique photoluminescence properties in which fluorescence was completely quenched by ring closure to a fluorene scaffold. Femtosecond time-resolved microspectroscopy on the microcrystalline state and density functional theory calculations revealed that the quenching is derived from the fast nonradiative decay to the ground state and the internal conversion to the dark state.
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